1) Slide the fiberglass cowl over the motor
and line up the back edge of the cowl with the
marks you made on the fuselage then trim and
cut as shown.
2) While keeping the back edge of the
cowl flush with the marks, align the front of
the cowl with the crankshaft of the engine. The
front of the cowl should be positioned so the
crankshaft is in nearly the middle of the cowl
opening. Use the spinner backplate as a guide.
Hold the cowl firmly in place using pieces of
3) Install the muffler and muffler extension
onto the engine and make the cutout in the
cowl for muffler clearance. Connect the fuel
and pressure lines to the carburetor, muffler
and fuel filler value. Secure the cowl to fuse-
lage using the M3x10mm screws.
INSTALLING THE SPINNER.
Install the spinner backplate, propeller and
The propeller should not touch any part
of the spinner cone. If it does, use a
sharp modeling knife and carefully trim away
the spinner cone where the propeller comes
in contact with it.